Halo 3 Player Achievement Statistics: 15% Are Legendary, Plus More

Bungie Weekly Update on 11/16/07 shares some Halo 3 player statistics as tracked by Xbox Live:

Joe Tung tracked down some data on the achievements that have been completed by folks whose 360s are connected to Xbox Live. Here's some data for folks to chew on:

• Campaign Complete: Normal – Completed the Campaign on Normal Difficulty: 43.28%
• Campaign Complete: Legendary – Completed the Campaign on Legendary Difficulty: 15.14%
• Graduate: Graduated from basic training. Stick with it to earn your Spartan insignia: 66.92%
• UNSC Spartan: Promoted to Sergeant. Proven in combat, you are a Spartan: 52.07%
• The most found metagame skull? Black Eye skull with 34.26%
• The least found metagame skull? Tilt at 22.98% (Go find it, jerks! It's one of the best skulls in the game!)
• At 6.21%, Steppin' Razor is the hardest multiplayer Achievement to earn, with Two for One right behind it at 6.77% and Overkill nipping at its heels (6.75%)
• 8.68% of players have unlocked the Marathon Man Achievement
• 1000/1000 Gamerscore: 2.07%